//
// IGenericInstanceMethod.cs
//
// Author:
//   Jb Evain (jbevain@gmail.com)
//
// (C) 2005 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.Text;

namespace Mono.Cecil {

	public sealed class GenericInstanceMethod : MethodSpecification, IGenericInstance, IGenericContext {

		GenericArgumentCollection arguments;

		public bool HasGenericArguments {
			get { return arguments != null && arguments.Count > 0; }
		}

		public GenericArgumentCollection GenericArguments {
			get {
				if (arguments == null)
					arguments = new GenericArgumentCollection ();

				return arguments;
			}
		}

		public override bool IsGenericInstance {
			get { return true; }
		}

		IGenericParameterProvider IGenericContext.Method {
			get { return ElementMethod; }
		}

		public GenericInstanceMethod (MethodReference method)
			: base (method)
		{
		}

		public override string ToString ()
		{
			var signature = new StringBuilder ();
			var method = this.ElementMethod;
			signature.Append (method.ReturnType.FullName);
			signature.Append (" ");
			signature.Append (method.DeclaringType.FullName);
			signature.Append ("::");
			signature.Append (method.Name);
			signature.Append ("<");
			var arguments = this.GenericArguments;
			for (int i = 0; i < arguments.Count; i++) {
				if (i > 0)
					signature.Append (",");
				signature.Append (arguments [i].FullName);
			}
			signature.Append (">");
			signature.Append ("(");
			if (method.HasParameters) {
				var parameters = method.Parameters;
				for (int i = 0; i < parameters.Count; i++) {
					if (i > 0)
						signature.Append (",");
					signature.Append (parameters [i].ParameterType.FullName);
				}
			}
			signature.Append (")");
			return signature.ToString ();
		}
	}
}
